Alert archive / Texas / River Flood Warnings in 2021
River Flood Warning 24, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this river flood warning at Jul 6, 2021, 2:47 PM CDT for Bexar County, Texas. It took effect at Jul 6, 2021, 7:27 PM CDT. It was in force for 15 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2021, 2:47 PM CDT (19:47 UTC)
- In effect from
- Jul 6, 2021, 7:27 PM CDT
- Expired
- Jul 7, 2021, 10:44 AM CDT
- In force
- 15 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- Moderate
County Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 68 km from the middle of the area, began a volume at 19:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Medina River at San Antonio US 281S (SAAT2). The gauge peaked at 27.88 ft at Jul 7, 2021, 12:00 AM CDT.
- Action stage
- 16 ft
- Minor stage
- 20 ft
- Moderate stage
- 24 ft
- Major stage
- 28 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 08181500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
480
WGUS44 KEWX 061947
FLWEWX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Austin/San Antonio TX
247 PM CDT Tue Jul 6 2021
...The National Weather Service in Austin/San Antonio TX has issued
a Flood Warning for the following rivers in Texas...
Medina River At Hwy 281 affecting Bexar County.
For the Medina River...including Bandera, Somerset, LaCoste, Hwy
281...Moderate flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 300 AM CDT.
&&
TXC029-070800-
/O.NEW.KEWX.FL.W.0024.210707T0027Z-210708T0657Z/
/SAAT2.2.ER.210707T0027Z.210707T0700Z.210707T1856Z.NO/
247 PM CDT Tue Jul 6 2021
The National Weather Service in Austin/San Antonio has issued a
* Flood Warning for
the Medina River At Hwy 281.
* From this evening to early Thursday morning.
* At 2:15 PM CDT Tuesday the stage was 10.9 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
evening to a crest of 27.9 feet just after midnight tonight. It
will then fall below flood stage early tomorrow afternoon.
* Impact...At 28.0 feet, Major flooding puts the Farm to Market 1937
bridge floor under eight feet of water. Flow approaches homes
downstream near Losoya. Livestock are cut off and potentially
drowned in the flood plain.
* Flood History...This crest compares to a previous crest of 28.1
feet on 06/23/1997.
&&
Fld Observed Forecasts (3 pm CDT)
Location Stg Stg Day/Time Wed Thu Fri
Medina River
Hwy 281 20.0 10.9 Tue 2 pm CDT 17.9 4.0 3.6
&&
LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838
$$
KCW5 follow-up statements
758
WGUS44 KEWX 062109
FLWEWX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Austin/San Antonio TX
409 PM CDT Tue Jul 6 2021
...Forecast flooding changed from Moderate to Major severity and
increased in duration for the following rivers in Texas...
Medina River At Hwy 281 affecting Bexar County.
For the Medina River...including Hwy 281...Major flooding is
forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 415 AM CDT.
&&
TXC029-070915-
/O.EXT.KEWX.FL.W.0024.210707T0233Z-210708T1250Z/
/SAAT2.3.ER.210707T0233Z.210707T0800Z.210708T0050Z.NO/
409 PM CDT Tue Jul 6 2021
...Forecast flooding increased from Moderate to Major severity and
increased in duration until Thursday morning...
The Flood Warning continues for
the Medina River At Hwy 281.
* From this evening to Thursday morning.
* At 3:15 PM CDT Tuesday the stage was 12.1 feet.
* Flood stage is 20.0 feet.
* Major flooding is forecast.
* Forecast...The river will rise above flood stage late this evening
to 31.6 feet late tonight. It will then fall to 31.4 feet and
begin rising again late tonight. It will rise to 31.6 feet late
tonight. It will then fall below flood stage tomorrow evening.
* Flood History...This crest compares to a previous crest of 32.2
feet on 07/01/1936.
&&
Fld Observed Forecasts (4 pm CDT)
Location Stg Stg Day/Time Wed Thu Fri
Medina River
Hwy 281 20.0 12.1 Tue 3 pm CDT 23.2 7.4 4.7
&&
LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838
$$
HAMPSHIRE766
WGUS84 KEWX 070236
FLSEWX
Flood Statement
National Weather Service Austin/San Antonio TX
936 PM CDT Tue Jul 6 2021
...The Flood Warning continues for the following rivers in Texas...
Medina River At Hwy 281 affecting Bexar County.
For the Medina River...including Bandera, Somerset, LaCoste, Hwy
281...Major flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Caution is urged when walking near riverbanks.
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued Wednesday morning at 945 AM CDT.
&&
TXC029-071445-
/O.EXT.KEWX.FL.W.0024.000000T0000Z-210708T0847Z/
/SAAT2.3.ER.210706T2327Z.210707T0500Z.210707T2047Z.NO/
936 PM CDT Tue Jul 6 2021
...The Flood Warning is now in effect until early Thursday morning...
The Flood Warning continues for
the Medina River At Hwy 281.
* Until early Thursday morning.
* At 9:15 PM CDT Tuesday the stage was 26.6 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is occurring and major flooding is forecast.
* Forecast...The river is expected to rise to a crest of 29.9 feet
just after midnight tonight. It will then fall below flood stage
tomorrow afternoon.
* Impact...At 28.0 feet, Major flooding puts the Farm to Market 1937
bridge floor under eight feet of water. Flow approaches homes
downstream near Losoya. Livestock are cut off and potentiallly
drowned in the flood plain.
* Flood History...This crest compares to a previous crest of 30.2
feet on 12/22/1992.
&&
Fld Observed Forecasts (10 pm CDT)
Location Stg Stg Day/Time Wed Thu Fri
Medina River
Hwy 281 20.0 26.6 Tue 9 pm CDT 12.4 6.6 4.3
&&
LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838
$$
CP129
WGUS84 KEWX 070844
FLSEWX
Flood Statement
National Weather Service Austin/San Antonio TX
344 AM CDT Wed Jul 7 2021
...The Flood Warning is cancelled for the following rivers in
Texas...
Leon Creek At I-35 affecting Bexar County.
...The Flood Warning continues for the following rivers in Texas...
San Antonio River Near Elmendorf affecting Bexar and Wilson
Counties.
San Antonio River near Floresville affecting Karnes and Wilson
Counties.
Medina River At Hwy 281 affecting Bexar County.
For the San Antonio River...including I-35, Elmendorf, Floresville,
Hwy 72 nr Runge...Moderate flooding is forecast.
For the Medina River...including Somerset, Hwy 281...Moderate
flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued later this morning.
&&
TXC029-070945-
/O.CAN.KEWX.FL.W.0023.000000T0000Z-210707T0844Z/
/LKST2.3.ER.210706T1832Z.210706T2115Z.210707T0512Z.NO/
344 AM CDT Wed Jul 7 2021
...The Flood Warning for the Leon Creek At I-35 has been cancelled...
The Flood Warning is cancelled for
the Leon Creek At I-35.
* At 3:16 AM CDT Wednesday the stage was 12.0 feet.
* Flood stage is 15.0 feet.
* Forecast...The river is expected to fall to 2.7 feet early Monday
morning.
&&
Fld Observed Forecasts (4 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
Leon Creek
I-35 15.0 12.0 Wed 3 am CDT 4.5 3.0 2.9
&&
LAT...LON 2946 9869 2950 9867 2942 9856 2926 9847
2926 9856 2941 9864
$$
TXC029-493-072045-
/O.EXT.KEWX.FL.W.0026.000000T0000Z-210708T1233Z/
/ELMT2.2.ER.210707T0621Z.210707T1400Z.210708T0033Z.NO/
344 AM CDT Wed Jul 7 2021
...The Flood Warning is now in effect until tomorrow morning...
The Flood Warning continues for
the San Antonio River Near Elmendorf.
* Until tomorrow morning.
* At 2:30 AM CDT Wednesday the stage was 36.0 feet.
* Flood stage is 35.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 2:30 AM CDT Wednesday was 36.0 feet.
* Forecast...The river is expected to rise to a crest of 39.0 feet
late this morning. It will then fall below flood stage this
evening.
* Impact...At 39.0 feet, Moderate lowland flooding damages crops and
floods pastureland below San Antonio to below Floresville.
Secondary roads and low bridges, irrigation pumps, oil field pump
jacks and tank batteries flood. Livestock are cut off in low areas.
* Flood History...This crest compares to a previous crest of 39.0
feet on 10/11/1984.
&&
Fld Observed Forecasts (4 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
San Antonio River
Elmendorf 35.0 36.0 Wed 2 am CDT 26.5 16.9 13.3
&&
LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
2911 9820 2918 9826
$$
TXC029-072045-
/O.EXT.KEWX.FL.W.0024.000000T0000Z-210708T0212Z/
/SAAT2.2.ER.210706T2327Z.210707T0415Z.210707T1412Z.NO/
344 AM CDT Wed Jul 7 2021
...The Flood Warning is now in effect until late this evening...
The Flood Warning continues for
the Medina River At Hwy 281.
* Until late this evening.
* At 3:15 AM CDT Wednesday the stage was 26.1 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 3:15 AM CDT Wednesday was 27.9 feet.
* Forecast...The river is expected to fall below flood stage late
this morning and continue falling to 3.5 feet early Monday morning.
* Impact...At 28.0 feet, Major flooding puts the Farm to Market 1937
bridge floor under eight feet of water. Flow approaches homes
downstream near Losoya. Livestock are cut off and potentiallly
drowned in the flood plain.
* Flood History...This crest compares to a previous crest of 26.3
feet on 11/17/2004.
&&
Fld Observed Forecasts (4 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
Medina River
Hwy 281 20.0 26.1 Wed 3 am CDT 7.0 5.4 3.9
&&
LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838
$$
TXC255-493-072045-
/O.EXT.KEWX.FL.W.0025.210707T1753Z-210709T2100Z/
/FLVT2.2.ER.210707T1753Z.210708T1100Z.210709T0900Z.UU/
344 AM CDT Wed Jul 7 2021
...The Flood Warning is now in effect until Friday afternoon...
The Flood Warning continues for
the San Antonio River near Floresville.
* From this afternoon to Friday afternoon.
* At 3:00 AM CDT Wednesday the stage was 12.3 feet.
* Flood stage is 27.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
afternoon to a crest of 35.0 feet tomorrow morning. It will then
fall below flood stage early Friday morning.
* Flood History...This crest compares to a previous crest of 33.5
feet on 09/28/2016.
&&
Fld Observed Forecasts (4 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
San Antonio River
Floresville 27.0 12.3 Wed 3 am CDT 34.7 27.0 13.4
&&
LAT...LON 2911 9820 2918 9813 2899 9803 2893 9811
$$
OB267
WGUS84 KEWX 071350
FLSEWX
Flood Statement
National Weather Service Austin/San Antonio TX
850 AM CDT Wed Jul 7 2021
...The Flood Warning is extended for the following rivers in Texas...
San Antonio River Near Elmendorf affecting Bexar and Wilson
Counties.
Medina River At Hwy 281 affecting Bexar County.
...The Flood Warning continues for the following rivers in Texas...
San Antonio River near Floresville affecting Karnes and Wilson
Counties.
For the San Antonio River...including I-35, at Loop 13, Elmendorf,
Floresville, near Falls City, Hwy 72 nr Runge...Moderate flooding is
forecast.
For the Medina River...including Bandera, Somerset, LaCoste, Hwy
281...Minor flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Caution is urged when walking near riverbanks.
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued this evening at 900 PM CDT.
&&
TXC029-493-080200-
/O.EXT.KEWX.FL.W.0026.000000T0000Z-210708T1240Z/
/ELMT2.2.ER.210707T0621Z.210707T1330Z.210708T0040Z.NO/
850 AM CDT Wed Jul 7 2021
...The Flood Warning is now in effect until tomorrow morning...
The Flood Warning continues for
the San Antonio River Near Elmendorf.
* Until tomorrow morning.
* At 8:30 AM CDT Wednesday the stage was 39.4 feet.
* Flood stage is 35.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 8:30 AM CDT Wednesday was 39.4 feet.
* Forecast...The river cresting currently and is expected to fall
below flood stage this evening and continue falling to 11.2 feet
Monday morning.
* Impact...At 39.0 feet, Moderate lowland flooding damages crops and
floods pastureland below San Antonio to below Floresville.
Secondary roads and low bridges, irrigation pumps, oil field pump
jacks and tank batteries flood. Livestock are cut off in low areas.
* Flood History...This crest compares to a previous crest of 39.1
feet on 12/22/1991.
&&
Fld Observed Forecasts (9 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
San Antonio River
Elmendorf 35.0 39.4 Wed 8 am CDT 22.1 15.2 12.4
&&
LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
2911 9820 2918 9826
$$
TXC029-080200-
/O.EXT.KEWX.FL.W.0024.000000T0000Z-210708T0236Z/
/SAAT2.2.ER.210706T2327Z.210707T0415Z.210707T1436Z.NO/
850 AM CDT Wed Jul 7 2021
...The Flood Warning is now in effect until late this evening...
The Flood Warning continues for
the Medina River At Hwy 281.
* Until late this evening.
* At 8:15 AM CDT Wednesday the stage was 21.0 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 8:15 AM CDT Wednesday was 27.9 feet.
* Forecast...The river crested yesterday and is rapidly falling. It
will fall below flood stage late this morning.
* Impact...At 20.0 feet, Minor lowland flooding reaches the Farm to
Market 1937 bridge floor.
* Flood History...This crest compares to a previous crest of 20.9
feet on 05/24/2015.
&&
Fld Observed Forecasts (9 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
Medina River
Hwy 281 20.0 21.0 Wed 8 am CDT 4.5 4.0 3.7
&&
LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838
$$
TXC255-493-080200-
/O.EXT.KEWX.FL.W.0025.210707T2255Z-210709T0915Z/
/FLVT2.1.ER.210707T2255Z.210708T0900Z.210708T2115Z.UU/
850 AM CDT Wed Jul 7 2021
...The Flood Warning is now in effect until early Friday morning...
The Flood Warning continues for
the San Antonio River near Floresville.
* From this afternoon to early Friday morning.
* At 8:00 AM CDT Wednesday the stage was 16.6 feet.
* Flood stage is 27.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this afternoon to a crest of 31.4 feet late tonight. It will then
fall below flood stage tomorrow afternoon.
* Impact...At 33.0 feet, Secondary roads near the floodplain may
become flooded and impassable. Extensive flooding occurs in lowest
portions of Floresville City Park.
* Flood History...This crest compares to a previous crest of 30.1
feet on 08/23/2016.
&&
Fld Observed Forecasts (9 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
San Antonio River
Floresville 27.0 16.6 Wed 8 am CDT 30.7 13.4 7.0
&&
LAT...LON 2911 9820 2918 9813 2899 9803 2893 9811
$$
AAT065
WGUS84 KEWX 071544
FLSEWX
Flood Statement
National Weather Service Austin/San Antonio TX
1044 AM CDT Wed Jul 7 2021
...The Flood Warning is cancelled for the following rivers in
Texas...
Medina River At Hwy 281 affecting Bexar County.
TXC029-071645-
/O.CAN.KEWX.FL.W.0024.000000T0000Z-210707T1544Z/
/SAAT2.2.ER.210706T2327Z.210707T0415Z.210707T1408Z.NO/
1044 AM CDT Wed Jul 7 2021
...The Flood Warning for the Medina River At Hwy 281 has been
cancelled...
The Flood Warning is cancelled for
the Medina River At Hwy 281.
* At 10:15 AM CDT Wednesday the stage was 18.7 feet.
* Flood stage is 20.0 feet.
* Forecast...The river is expected to fall to 3.1 feet Monday
morning.
&&
Fld Observed Forecasts (11 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
Medina River
Hwy 281 20.0 18.7 Wed 10 am CD 4.4 4.0 3.7
&&
LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838
$$
KCWThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 7:01 PM CDT | Areal Flood Advisory | EWX | Bandera, Kerr | 3 hr |
| Jul 6, 4:43 AM CDT | Areal Flood Advisory | EWX | Blanco, Comal, Kendall | 3 hr |
| Jul 6, 6:06 AM CDT | Areal Flood Advisory | EWX | Bexar, Medina | 3 hr |
| Jul 6, 6:39 AM CDT | Flash Flood Warning | EWX | Bexar | 5 hr |
| Jul 6, 6:47 AM CDT | Areal Flood Advisory | EWX | Atascosa | 3 hr |
| Jul 6, 10:15 AM CDT | River Flood Warning | EWX | Bexar | 22 hr |
| Jul 6, 10:34 AM CDT | Areal Flood Advisory | EWX | Gillespie | 3 hr |
| Jul 6, 4:56 PM CDT | River Flood Warning | EWX | Karnes, Wilson | 62 hr |
| Jul 6, 4:57 PM CDT | River Flood Warning | EWX | Bexar, Wilson | 42 hr |
Nearby
River Flood Warnings in Texas, 2021Every river flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.